I want to print real physical address that is stored in a variable of type phys_addr_t. Now I'm doing something like this: As for documentation: ...
I want to print real physical address that is stored in a variable of type phys_addr_t. Now I'm doing something like this: As for documentation: ...
I work in a system that does not allow me to enable tracepoints at runtime. To work around this, I manually add printks near a trace point to during d ...
I am working on a device driver for a sensor in Raspberry Pi 4. In the program of a kernel device driver for a sensor, I used the following code to pr ...
To verify the behavior of a third party binary distributed software I'd like to use, I'm implementing a kernel module whose objective is to keep track ...
I am learning the "Linux device drivers". I created a character device named char_device. When I read the data from the device it keeps printing the m ...
So I'm trying to learn to write Linux modules and right now I'm experimenting with a basic "Hello World" module: And I've finally gotten this modu ...
I have created a set of shortcut Macros for Linux Kernel printk to prefix with the module name and to have a set of aliases for severity. #define _p ...
I have an utility created that prints output using printk. For eg. If run this utility on the system, it prints the message like below on the conso ...
Is it a way to find in which function printk was executed? I know that I can add __function__ to my printk to get this information, but I'm working wi ...
I am writing a system call for the Linux kernel, and as of yet it's not working as I intended it to (no surprise there). I'm trying to use printk mess ...
I want to use printk function in my userspace code, but I don't want to write kernel module. Is it any possibility to do that? I tried use linux/kern ...
I am using trace_printk() to print some numbers (they are around a million number). However when I check /sys/kernel/debug/tracing/trace ... only a pa ...
I'm creating a kernel module that intercept the unlink command and make a copy of the file that want to be unlinked. For now, I intercept the unlink c ...
I try to use the command printk. All the examples I can find on the internet is by putting a string directly in the printk like this: However, I t ...
I'm using Xubuntu and I am trying to fix an issue with dell-wmi.ko and the Latitude XT. In order to be able to do this I need to be able to see debug ...
What's the exact difference between printk and pr_info functions ? And under what conditions, should I choose one over the another ? ...
Why is printk or (I/O) prohibited in interrupt handler in linux .? Under what condition I/O in a interrupt handler can cause deadlock in a linux syste ...
I wrote small kernel module code as mentioned below, I am testing it in ubuntu 14.04 Now when I compile and insert above module using insmod I don' ...
Each time printk outputs something, a high-resolution time will automatically be showed in a square bracket at the beginning of the line. How does pri ...
I'm trying to print the comm field of the current task_struct to print the name of a process. Then, using current->parent, I want to do the same th ...